#63871C#63871C

#63871C is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.137 H 127.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX#63871C
RGBrgb(99, 135, 28)
HSLhsl(80, 66%, 32%)
HSVhsv(80, 79%, 53%)
CMYKcmyk(26.7%, 0%, 79.3%, 47.1%)
CIE-LABlab(51.91, -28.54, 49.34)
CIE-LCHlch(51.91, 56.99, 120.04°)
OKLaboklab(57.58% -0.0823 0.109)
OKLCHoklch(57.58% 0.137 127.1)
XYZxyz(14.0192, 20.0642, 4.2325)
Luminance0.2006 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63871C #401C87
analogous
#87761C #63871C #2E871C
triadic
#63871C #1C6387 #871C63
tetradic
#63871C #1C8776 #401C87 #871C2E
square
#63871C #1C8776 #401C87 #871C2E
split-complementary
#63871C #1C2E87 #761C87
monochromatic
#192207 #3E5411 #63871C #88BA27 #A7D845

Accessibility & contrast

On white

4.19
#63871C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.01
#63871C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #63871C
5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63871C#FFFFFF#000000##000000
##63871C1.004.195.015.01
#FFFFFF4.191.0021.0021.00
#0000005.0121.001.001.00
##0000005.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7D00
Deuteranopia (green-blind)
#897B27
Tritanopia (blue-blind)
#678073
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #63871c;
/* rgb */ color: rgb(99, 135, 28);
/* oklch */ color: oklch(57.6% 0.137 127.1);
Tailwind
colors: {
  custom: {
    50: '#93aa62',
    500: '#63871c',
    950: '#000000',
  },
}
SCSS
$custom: #63871c;
$custom-light: #93aa62;
$custom-dark: #000000;
JSON
{
  "hex": "#63871c",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 28
  },
  "hsl": {
    "h": 80.187,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57578,
    "c": 0.13656,
    "h": 127.1
  },
  "luminance": 0.20064
}

Semantic roles & 50–950 ramp

primary
#63871C
secondary
#6C45BA
accent
#3FE978
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1005
muted
#7E7F7A

Preview Lab

Preview with #63871C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#63871C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva